The couple is asking for donations to go towards their honeymoon.
The ceremony will take place outside under the pavillion. (safe from sunshine & rain)
The reception will take place inside. It will be in the big ballroom.
Yes, You will have four hours total of open bar.
Formal attire
Yes, of course you can bring a plus one. Please let the bride or groom know in advance that you will be bringing a plus one. They need to have an accurate count of guests for the venue.
Yes, but it will need to be brought to the bride/grooms attention by the RSVP date. Depending on guests already attending, the child might need to be counted as your plus one.